Russian standards PDF
Porcelain dick insulators for contact net of electrified railways. General specifications
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Reprography. Micrography. Retrieval units for microforms or frames of microforms. General technical requirements
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Dog point pressure screws with handle for machine retaining devices. Design
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Point for foot pressure screws with handle for machine retaining devices. Design
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Adapters for mounting taper-shanked tools. Design and dimensions
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